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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-6485) Performance improvement in DefaultCamelContext by delaying synchronized block
Date Tue, 25 Jun 2013 08:52:26 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-6485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13692854#comment-13692854
] 

Claus Ibsen commented on CAMEL-6485:
------------------------------------

Willem did you merge this to 2.11 branch also?
                
> Performance improvement in DefaultCamelContext by delaying synchronized block
> -----------------------------------------------------------------------------
>
>                 Key: CAMEL-6485
>                 URL: https://issues.apache.org/jira/browse/CAMEL-6485
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core
>    Affects Versions: 2.11.0
>            Reporter: Eric
>            Assignee: Willem Jiang
>              Labels: performance
>         Attachments: defaultcamelcontext.patch
>
>
> When using Camel in a hi-throughput/multithreaded environment, I see a lot of contention
in the DefaultCamelContext.getManagementStrategy() method.  Camel is synchronizing on an AtomicBoolean
no matter what is the value of the boolean.  It is only required if the managementStrategy
has not been initialized yet.  I have attached a patch that delays the synchronization to
when the managementStrategy is not initialized.  This dramatically improved the performance
of my system.

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